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Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 5 am Friday 12 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
10.2° C
(Which is normal for this time of year)How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 8AM is: 1.4m 14s primary swell from a Southwest direction and 0.3m 3s secondary swell from a Northwest direction (forecast issued at 05:00am December 12). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 4.5ft (1.3m) | 14s |
| Afternoon (12 Dec) | 3.5ft (1.1m) | 13s |
| Evening (12 Dec) | 4.5ft (1.3m) | 11s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 14 | 14 | 13 | 13 | 18 | 11 | 10 | 10 | 10 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 961 | 754 | 626 | 599 | 394 | 289 | 361 | 176 | 298 | 281 | 95 | 223 | 436 | 640 | 838 | 929 | 1107 | 1248 | 1160 | 999 | 1023 | 987 | 1058 | 1270 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on |
High Tide / height (m) | 1:23AM 3.08 | 1:50PM 3.47 | 2:37AM 2.97 | 3:03PM 3.31 | 3:49AM 3.02 | 4:10PM 3.28 | ||||||||||||||||||
Low Tide / height (m) | 8:27AM 1.27 | 9:18PM 1.05 | 9:29AM 1.37 | 10:19PM 1.13 | 10:38AM 1.38 | 11:19PM 1.14 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | - | 8:19 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:01 | - | - | - | - | - | - | - | 4:01 | - | - | - | - | - | - | - | 4:01 | - | - | - |
 |  |  |  | | |  |  | | | | | | | | | | | | |  | | | | |
Rain (mm) | 4 | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | 1 | - | - | - | 1 | 1 | 1 | 3 |
| Temp. °C | 9 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 4 | 7 | 7 | 5 | 5 | 5 | 4 | 5 | 4 | 4 | 2 | 1 | 0 | 0 | -1 | 0 | -1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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